文章摘要信息 关键词 ： 应急通信;电力系统;抗毁性;连通度;虚拟节点 [gap=1343]Keywords : emergency communication;power system; invulnerability;connectivity;virtual node
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（1）ETSI EMTEL （EMergency TELecommunications） 应急通信（EMTEL）涉及在紧急情况下，与提供电信业 务相关的广泛领域，是一个与多方面内容相关的概念。
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应急通信网络 emergency communications network ; ECN
应急通信系统 [通信] emergency communication system
应急通信终端站 emergency communication terminal
应急通信车 ECV
铁路应急通信 Railway emergency communication
应急通信网 [通信] emergency communication network ; ECN
国家应急通信计划 National Emergency Communication Plan
应急通信系统国家实施 ETS National Implementation
Although some achievements on broadband emergency communication system have been made, the system capacity and bandwidth are still limited, and the transmission quality is low.
目前宽带应急通信系统的研究已经取得了一定的成果,但是仍然存在系统容量受限、传输质量较差以及带宽不足等问题。
参考来源 - 应急通信系统中虚拟MIMO关键技术研究To copy with the special-application background about chain-type space,severe environment,and high accident potential,a cross-layer emergency communication protocol is proposed under the condition of emergency situation to ensure a rapid reconfigurable network.
本文针对施工隧道的环境恶劣、事故多发等特殊应用背景,提出一种紧急状况下多层次跨层联动的应急通信协议,保障网络对突发状况能快速重构。
参考来源 - 施工隧道监控WSN跨层应急通信协议研究·2,447,543篇论文数据，部分数据来源于NoteExpress
另外每个组织都应该有一套涉及到网络使用的应急通信方案。
And every organization should have some kind of emergency communication plan that involves the use of the web.
北川县仍利用应急通信车继续保持对外通信联络。
In Bei Chuan County, emergency communications vehicles are still used to maintain communication with the outside.
在短波通信中，极低信噪比条件通信是一种应急通信手段。
In high frequency communication, extremely low SNR communication is an expedient means.
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